Title: 1Chemical composition, performance parameters and application of 7039 alloy steel17039 alloy steel is a high-strength steel with a wide range of application prospects, and its unique chemical composition and performance parameters give it unique advantages in many industrial fields.
Chemical Composition: Carbon: 07-0.9% to ensure its good strength and toughness.
Silicon: 03%, which can improve the processability and welding performance of steel.
Manganese: 06%, increase hardenability, improve the strength of steel.
Phosphorus: 0025%, which has little effect on the performance of steel, but can improve the wear resistance of steel.
Sulfur: 002% to reduce the strength and toughness of steel and improve machinability.
Nickel: about 3%, is the main element that determines its high-temperature performance.
Performance parameters: After heat treatment, the tensile strength is 880MPa, the yield strength is 685MPa, and the elongation is 7%. This high strength makes it excellent under heavy loads and high stresses.
Good toughness makes it less prone to breaking when subjected to impact loads.
Good welding properties and processability make it easy to manufacture and process.
Good corrosion resistance makes it have a good service life in harsh environments.
Summarizing the application:17039 alloy steel is suitable for manufacturing various high-strength structural parts, such as bridges, construction machinery, vehicles, ships, petrochemical equipment, etc. Due to its good comprehensive properties, it is also widely used in the manufacture of springs, fasteners, wear parts and other fields.
In practical application, the appropriate heat treatment process should be selected according to the working conditions to ensure that the performance of the steel reaches the best state. In addition, for some special applications, such as working in high-temperature environments, the addition of other alloying elements or the use of special heat treatment processes should be considered.
In total, 1.With its unique chemical composition and performance parameters, 7039 alloy steel has a wide range of application prospects in many fields. Its high strength, good toughness, and processability make it ideal for many industrial sectors.